<span><span>A. </span>B-cells
</span>
Which type of white blood cells is produced in the thymus and destroys the
cell membranes of bacteria are B-cells. These b-cells are also known and called as B
lymphocytes. Their function primarily is to create antibodies which combats
antigens such as bacteria. They are also responsible for immune regulatory
indications –cytokines. In contrast, T-cells are a type of white blood cells
that combat any substance from the inside or within the body.
The answer would be A. Muscle Cramp
because that is the only option shown here that someone doesn't need to go to the E.R. for. For example, if you try massaging a hairline fracture, there's a good chance you'll break someones bone.
An asthma attack is when the muscles in your airway swell up, causing your airways so shrink. This is due to an allergic reaction, in witch you inhale something and your body "over reacts" to it.
B. Old Stone Age.........................
False. Yes it’s the physical, connective and emotional part because they are bonding but it’s not the social development because they are not letting them interact with other people
